Final answer:
The text does not provide specific details about what Hannah had done that upset Grandpa Will.
Step-by-step explanation:
In the given text, it is implied that Hannah had done something in the past that had upset Grandpa Will. However, the specific action Hannah had done is not mentioned in the text.
The text only hints at the tension between them but does not provide any explicit details about the incident or the reason behind Grandpa Will's upset.